/*
Copyright 2019 The Kubernetes Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package model

import (
	"encoding/json"
	"fmt"
	"io/ioutil"
	"os"
	"strconv"
	"strings"

	"k8s.io/klog"
	"k8s.io/kops/nodeup/pkg/distros"
	"k8s.io/kops/nodeup/pkg/model/resources"
	"k8s.io/kops/pkg/apis/kops"
	"k8s.io/kops/pkg/flagbuilder"
	"k8s.io/kops/pkg/systemd"
	"k8s.io/kops/upup/pkg/fi"
	"k8s.io/kops/upup/pkg/fi/nodeup/nodetasks"
)

// DockerBuilder install docker (just the packages at the moment)
type DockerBuilder struct {
	*NodeupModelContext
}

var _ fi.ModelBuilder = &DockerBuilder{}

type packageInfo struct {
	Version string // Package version
	Source  string // URL to download the package from
	Hash    string // sha1sum of the package file
}

type dockerVersion struct {
	Name string

	// Version is the version of docker, as specified in the kops
	Version string

	// Source is the url where the package/tarfile can be found
	Source string

	// Hash is the sha1 hash of the file
	Hash string

	// Extra packages to install during the same dpkg/yum transaction.
	// This is used for:
	//   - On RHEL/CentOS, the SELinux policy needs to be installed.
	//   - Starting from Docker 18.09, the Docker package has been split in 3
	//     separate packages: one for the daemon, one for the CLI, one for
	//     containerd.  All 3 must be installed at the same time when
	//     upgrading from an older version of Docker.
	ExtraPackages map[string]packageInfo

	DockerVersion string
	Distros       []distros.Distribution
	// List of dependencies that can be installed using the system's package
	// manager (e.g. apt-get install or yum install).
	Dependencies  []string
	Architectures []Architecture

	// PlainBinary indicates that the Source is not an OS, but a "bare" tar.gz
	PlainBinary bool

	// MarkImmutable is a list of files on which we should perform a `chattr +i <file>`
	MarkImmutable []string
}

// DefaultDockerVersion is the (legacy) docker version we use if one is not specified in the manifest.
// We don't change this with each version of kops, we expect newer versions of kops to populate the field.
const DefaultDockerVersion = "1.12.3"

var dockerVersions = []dockerVersion{
	// 1.11.2 - Jessie
	{
		DockerVersion: "1.11.2",
		Name:          "docker-engine",
		Distros:       []distros.Distribution{distros.DistributionJessie},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "1.11.2-0~jessie",
		Source:        "http://apt.dockerproject.org/repo/pool/main/d/docker-engine/docker-engine_1.11.2-0~jessie_amd64.deb",
		Hash:          "c312f1f6fa0b34df4589bb812e4f7af8e28fd51d",
		Dependencies:  []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
	},

	// 1.11.2 - Xenial
	{
		DockerVersion: "1.11.2",
		Name:          "docker-engine",
		Distros:       []distros.Distribution{distros.DistributionXenial},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "1.11.2-0~xenial",
		Source:        "http://apt.dockerproject.org/repo/pool/main/d/docker-engine/docker-engine_1.11.2-0~xenial_amd64.deb",
		Hash:          "194bfa864f0424d1bbdc7d499ccfa0445ce09b9f",
		Dependencies:  []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
	},

	// 1.11.2 - Centos / Rhel7 (two packages)
	{
		DockerVersion: "1.11.2",
		Name:          "docker-engine",
		Distros:       []distros.Distribution{distros.DistributionRhel7, distros.DistributionCentos7},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "1.11.2",
		Source:        "https://yum.dockerproject.org/repo/main/centos/7/Packages/docker-engine-1.11.2-1.el7.centos.x86_64.rpm",
		Hash:          "432e6d7948df9e05f4190fce2f423eedbfd673d5",
		ExtraPackages: map[string]packageInfo{
			"docker-engine-selinux": {
				Version: "1.11.2",
				Source:  "https://yum.dockerproject.org/repo/main/centos/7/Packages/docker-engine-selinux-1.11.2-1.el7.centos.noarch.rpm",
				Hash:    "f6da608fa8eeb2be8071489086ed9ff035f6daba",
			},
		},
		Dependencies: []string{"libtool-ltdl"},
	},

	// 1.12.1 - Jessie
	{
		DockerVersion: "1.12.1",
		Name:          "docker-engine",
		Distros:       []distros.Distribution{distros.DistributionJessie},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "1.12.1-0~jessie",
		Source:        "http://apt.dockerproject.org/repo/pool/main/d/docker-engine/docker-engine_1.12.1-0~jessie_amd64.deb",
		Hash:          "0401866231749abaabe8e09ee24432132839fe53",
		Dependencies:  []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
	},

	// 1.12.1 - Xenial
	{
		DockerVersion: "1.12.1",
		Name:          "docker-engine",
		Distros:       []distros.Distribution{distros.DistributionXenial},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "1.12.1-0~xenial",
		Source:        "http://apt.dockerproject.org/repo/pool/main/d/docker-engine/docker-engine_1.12.1-0~xenial_amd64.deb",
		Hash:          "30f7840704361673db2b62f25b6038628184b056",
		Dependencies:  []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
	},

	// 1.12.1 - Centos / Rhel7 (two packages)
	{
		DockerVersion: "1.12.1",
		Name:          "docker-engine",
		Distros:       []distros.Distribution{distros.DistributionRhel7, distros.DistributionCentos7},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "1.12.1",
		Source:        "https://yum.dockerproject.org/repo/main/centos/7/Packages/docker-engine-1.12.1-1.el7.centos.x86_64.rpm",
		Hash:          "636471665665546224444052c3b48001397036be",
		ExtraPackages: map[string]packageInfo{
			"docker-engine-selinux": {
				Version: "1.12.1",
				Source:  "https://yum.dockerproject.org/repo/main/centos/7/Packages/docker-engine-selinux-1.12.1-1.el7.centos.noarch.rpm",
				Hash:    "52ec22128e70acc2f76b3a8e87ff96785995116a",
			},
		},
		Dependencies: []string{"libtool-ltdl"},
	},

	// 1.12.3 - k8s 1.5

	// 1.12.3 - Jessie
	{
		DockerVersion: "1.12.3",
		Name:          "docker-engine",
		Distros:       []distros.Distribution{distros.DistributionJessie},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "1.12.3-0~jessie",
		Source:        "http://apt.dockerproject.org/repo/pool/main/d/docker-engine/docker-engine_1.12.3-0~jessie_amd64.deb",
		Hash:          "7c7eb45542b67a9cfb33c292ba245710efb5d773",
		Dependencies:  []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
		//Depends: iptables, init-system-helpers (>= 1.18~), libapparmor1 (>= 2.6~devel), libc6 (>= 2.17), libdevmapper1.02.1 (>= 2:1.02.90), libltdl7 (>= 2.4.2), libsystemd0
		//Recommends: aufs-tools, ca-certificates, cgroupfs-mount | cgroup-lite, git, xz-utils
	},

	// 1.12.3 - Jessie on ARM
	{
		DockerVersion: "1.12.3",
		Name:          "docker-engine",
		Distros:       []distros.Distribution{distros.DistributionJessie},
		Architectures: []Architecture{ArchitectureArm},
		Version:       "1.12.3-0~jessie",
		Source:        "http://apt.dockerproject.org/repo/pool/main/d/docker-engine/docker-engine_1.12.3-0~jessie_armhf.deb",
		Hash:          "aa2f2f710360268dc5fd3eb066868c5883d95698",
		Dependencies:  []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
	},

	// 1.12.3 - Xenial
	{
		DockerVersion: "1.12.3",
		Name:          "docker-engine",
		Distros:       []distros.Distribution{distros.DistributionXenial},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "1.12.3-0~xenial",
		Source:        "http://apt.dockerproject.org/repo/pool/main/d/docker-engine/docker-engine_1.12.3-0~xenial_amd64.deb",
		Hash:          "b758fc88346a1e5eebf7408b0d0c99f4f134166c",
		Dependencies:  []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
	},

	// 1.12.3 - Centos / Rhel7 (two packages)
	{
		DockerVersion: "1.12.3",
		Name:          "docker-engine",
		Distros:       []distros.Distribution{distros.DistributionRhel7, distros.DistributionCentos7},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "1.12.3",
		Source:        "https://yum.dockerproject.org/repo/main/centos/7/Packages/docker-engine-1.12.3-1.el7.centos.x86_64.rpm",
		Hash:          "67fbb78cfb9526aaf8142c067c10384df199d8f9",
		ExtraPackages: map[string]packageInfo{
			"docker-engine-selinux": {
				Version: "1.12.3",
				Source:  "https://yum.dockerproject.org/repo/main/centos/7/Packages/docker-engine-selinux-1.12.3-1.el7.centos.noarch.rpm",
				Hash:    "a6b0243af348140236ed96f2e902b259c590eefa",
			},
		},
		Dependencies: []string{"libtool-ltdl", "libseccomp"},
	},

	// 1.12.6 - k8s 1.6

	// 1.12.6 - Jessie
	{
		DockerVersion: "1.12.6",
		Name:          "docker-engine",
		Distros:       []distros.Distribution{distros.DistributionJessie},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "1.12.6-0~debian-jessie",
		Source:        "http://apt.dockerproject.org/repo/pool/main/d/docker-engine/docker-engine_1.12.6-0~debian-jessie_amd64.deb",
		Hash:          "1a8b0c4e3386e12964676a126d284cebf599cc8e",
		Dependencies:  []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
		//Depends: iptables, init-system-helpers (>= 1.18~), libapparmor1 (>= 2.6~devel), libc6 (>= 2.17), libdevmapper1.02.1 (>= 2:1.02.90), libltdl7 (>= 2.4.2), libsystemd0
		//Recommends: aufs-tools, ca-certificates, cgroupfs-mount | cgroup-lite, git, xz-utils
	},

	// 1.12.6 - Debian9 (stretch)
	{
		DockerVersion: "1.12.6",
		Name:          "docker-engine",
		Distros:       []distros.Distribution{distros.DistributionDebian9},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "1.12.6-0~debian-stretch",
		Source:        "http://apt.dockerproject.org/repo/pool/main/d/docker-engine/docker-engine_1.12.6-0~debian-stretch_amd64.deb",
		Hash:          "18bb7d024658f27a1221eae4de78d792bf00611b",
		Dependencies:  []string{"bridge-utils", "libapparmor1", "libltdl7", "perl", "libseccomp2"},
		//Depends: iptables, init-system-helpers (>= 1.18~), libapparmor1 (>= 2.6~devel), libc6 (>= 2.17), libdevmapper1.02.1 (>= 2:1.02.97), libltdl7 (>= 2.4.6), libseccomp2 (>= 2.1.0), libsystemd0
		//Recommends: aufs-tools, ca-certificates, cgroupfs-mount | cgroup-lite, git, xz-utils
	},

	// 1.12.6 - Jessie on ARM
	{
		DockerVersion: "1.12.6",
		Name:          "docker-engine",
		Distros:       []distros.Distribution{distros.DistributionJessie},
		Architectures: []Architecture{ArchitectureArm},
		Version:       "1.12.6-0~debian-jessie",
		Source:        "http://apt.dockerproject.org/repo/pool/main/d/docker-engine/docker-engine_1.12.6-0~debian-jessie_armhf.deb",
		Hash:          "ac148e1f7381e4201e139584dd3c102372ad96fb",
		Dependencies:  []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
	},

	// 1.12.6 - Xenial
	{
		DockerVersion: "1.12.6",
		Name:          "docker-engine",
		Distros:       []distros.Distribution{distros.DistributionXenial},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "1.12.6-0~ubuntu-xenial",
		Source:        "http://apt.dockerproject.org/repo/pool/main/d/docker-engine/docker-engine_1.12.6-0~ubuntu-xenial_amd64.deb",
		Hash:          "fffc22da4ad5b20715bbb6c485b2d2bb7e84fd33",
		Dependencies:  []string{"bridge-utils", "iptables", "libapparmor1", "libltdl7", "perl"},
		// Depends: iptables, init-system-helpers (>= 1.18~), lsb-base (>= 4.1+Debian11ubuntu7), libapparmor1 (>= 2.6~devel), libc6 (>= 2.17), libdevmapper1.02.1 (>= 2:1.02.97), libltdl7 (>= 2.4.6), libseccomp2 (>= 2.1.0), libsystemd0
	},

	// 1.12.6 - Centos / Rhel7 (two packages)
	{
		DockerVersion: "1.12.6",
		Name:          "docker-engine",
		Distros:       []distros.Distribution{distros.DistributionRhel7, distros.DistributionCentos7},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "1.12.6",
		Source:        "https://yum.dockerproject.org/repo/main/centos/7/Packages/docker-engine-1.12.6-1.el7.centos.x86_64.rpm",
		Hash:          "776dbefa9dc7733000e46049293555a9a422c50e",
		ExtraPackages: map[string]packageInfo{
			"docker-engine-selinux": {
				Version: "1.12.6",
				Source:  "https://yum.dockerproject.org/repo/main/centos/7/Packages/docker-engine-selinux-1.12.6-1.el7.centos.noarch.rpm",
				Hash:    "9a6ee0d631ca911b6927450a3c396e9a5be75047",
			},
		},
		Dependencies: []string{"libtool-ltdl", "libseccomp", "libcgroup", "policycoreutils-python"},
	},

	// 1.13.1 - k8s 1.8

	// 1.13.1 - Debian9 (stretch)
	{
		DockerVersion: "1.13.1",
		Name:          "docker-engine",
		Distros:       []distros.Distribution{distros.DistributionDebian9},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "1.13.1-0~debian-stretch",
		Source:        "http://apt.dockerproject.org/repo/pool/main/d/docker-engine/docker-engine_1.13.1-0~debian-stretch_amd64.deb",
		Hash:          "19296514610aa2e5efddade5222cafae7894a689",
		Dependencies:  []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
		//Depends: iptables, init-system-helpers (>= 1.18~), libapparmor1 (>= 2.6~devel), libc6 (>= 2.17), libdevmapper1.02.1 (>= 2:1.02.90), libltdl7 (>= 2.4.2), libsystemd0
		//Recommends: aufs-tools, ca-certificates, cgroupfs-mount | cgroup-lite, git, xz-utils
	},

	// 1.13.1 - Jessie
	{
		DockerVersion: "1.13.1",
		Name:          "docker-engine",
		Distros:       []distros.Distribution{distros.DistributionJessie},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "1.13.1-0~debian-jessie",
		Source:        "http://apt.dockerproject.org/repo/pool/main/d/docker-engine/docker-engine_1.13.1-0~debian-jessie_amd64.deb",
		Hash:          "1d3370549e32ea13b2755b2db8dbc82b2b787ece",
		Dependencies:  []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
		//Depends: iptables, init-system-helpers (>= 1.18~), libapparmor1 (>= 2.6~devel), libc6 (>= 2.17), libdevmapper1.02.1 (>= 2:1.02.90), libltdl7 (>= 2.4.2), libsystemd0
		//Recommends: aufs-tools, ca-certificates, cgroupfs-mount | cgroup-lite, git, xz-utils
	},

	// 1.13.1 - Jessie on ARM
	{
		DockerVersion: "1.13.1",
		Name:          "docker-engine",
		Distros:       []distros.Distribution{distros.DistributionJessie},
		Architectures: []Architecture{ArchitectureArm},
		Version:       "1.13.1-0~debian-jessie",
		Source:        "http://apt.dockerproject.org/repo/pool/main/d/docker-engine/docker-engine_1.13.1-0~debian-jessie_armhf.deb",
		Hash:          "a3f252c5fbb2d3266be611bee50e1f331ff8d05f",
		Dependencies:  []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
	},

	// 1.13.1 - Xenial
	{
		DockerVersion: "1.13.1",
		Name:          "docker-engine",
		Distros:       []distros.Distribution{distros.DistributionXenial},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "1.13.1-0~ubuntu-xenial",
		Source:        "http://apt.dockerproject.org/repo/pool/main/d/docker-engine/docker-engine_1.13.1-0~ubuntu-xenial_amd64.deb",
		Hash:          "d12cbd686f44536c679a03cf0137df163f0bba5f",
		Dependencies:  []string{"bridge-utils", "iptables", "libapparmor1", "libltdl7", "perl"},
		// Depends: iptables, init-system-helpers (>= 1.18~), lsb-base (>= 4.1+Debian11ubuntu7), libapparmor1 (>= 2.6~devel), libc6 (>= 2.17), libdevmapper1.02.1 (>= 2:1.02.97), libltdl7 (>= 2.4.6), libseccomp2 (>= 2.1.0), libsystemd0
	},

	// 1.13.1 - Centos / Rhel7 (two packages)
	{
		DockerVersion: "1.13.1",
		Name:          "docker-engine",
		Distros:       []distros.Distribution{distros.DistributionRhel7, distros.DistributionCentos7},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "1.13.1",
		Source:        "https://yum.dockerproject.org/repo/main/centos/7/Packages/docker-engine-1.13.1-1.el7.centos.x86_64.rpm",
		Hash:          "b18f7fd8057665e7d2871d29640e214173f70fe1",
		ExtraPackages: map[string]packageInfo{
			"docker-engine-selinux": {
				Version: "1.13.1",
				Source:  "https://yum.dockerproject.org/repo/main/centos/7/Packages/docker-engine-selinux-1.13.1-1.el7.centos.noarch.rpm",
				Hash:    "948c518a610af631fa98aa32d9bcd43e9ddd5ebc",
			},
		},
		Dependencies: []string{"libtool-ltdl", "libseccomp", "libcgroup", "policycoreutils-python", "selinux-policy-base", "selinux-policy-targeted"},
	},

	// 17.03.2 - k8s 1.8

	// 17.03.2 - Debian9 (stretch)
	{
		DockerVersion: "17.03.2",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionDebian9},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "17.03.2~ce-0~debian-stretch",
		Source:        "http://download.docker.com/linux/debian/dists/stretch/pool/stable/amd64/docker-ce_17.03.2~ce-0~debian-stretch_amd64.deb",
		Hash:          "36773361cf44817371770cb4e6e6823590d10297",
		Dependencies:  []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
		MarkImmutable: []string{"/usr/bin/docker-runc"},
	},

	// 17.03.2 - Jessie
	{
		DockerVersion: "17.03.2",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionJessie},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "17.03.2~ce-0~debian-jessie",
		Source:        "http://download.docker.com/linux/debian/dists/jessie/pool/stable/amd64/docker-ce_17.03.2~ce-0~debian-jessie_amd64.deb",
		Hash:          "a7ac54aaa7d33122ca5f7a2df817cbefb5cdbfc7",
		Dependencies:  []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
		MarkImmutable: []string{"/usr/bin/docker-runc"},
	},

	// 17.03.2 - Jessie on ARM
	{
		DockerVersion: "17.03.2",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionJessie},
		Architectures: []Architecture{ArchitectureArm},
		Version:       "17.03.2~ce-0~debian-jessie",
		Source:        "http://download.docker.com/linux/debian/dists/jessie/pool/stable/armhf/docker-ce_17.03.2~ce-0~debian-jessie_armhf.deb",
		Hash:          "71e425b83ce0ef49d6298d61e61c4efbc76b9c65",
		Dependencies:  []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
		MarkImmutable: []string{"/usr/bin/docker-runc"},
	},

	// 17.03.2 - Xenial
	{
		DockerVersion: "17.03.2",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionXenial},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "17.03.2~ce-0~ubuntu-xenial",
		Source:        "http://download.docker.com/linux/ubuntu/dists/xenial/pool/stable/amd64/docker-ce_17.03.2~ce-0~ubuntu-xenial_amd64.deb",
		Hash:          "4dcee1a05ec592e8a76e53e5b464ea43085a2849",
		Dependencies:  []string{"bridge-utils", "iptables", "libapparmor1", "libltdl7", "perl"},
		MarkImmutable: []string{"/usr/bin/docker-runc"},
	},

	// 17.03.2 - Ubuntu Bionic via binary download (no packages available)
	{
		DockerVersion: "17.03.2",
		PlainBinary:   true,
		Distros:       []distros.Distribution{distros.DistributionBionic},
		Architectures: []Architecture{ArchitectureAmd64},
		Source:        "http://download.docker.com/linux/static/stable/x86_64/docker-17.03.2-ce.tgz",
		Hash:          "141716ae046016a1792ce232a0f4c8eed7fe37d1",
		Dependencies:  []string{"bridge-utils", "iptables", "libapparmor1", "libltdl7", "perl"},
		MarkImmutable: []string{"/usr/bin/docker-runc"},
	},

	// 17.03.2 - Centos / Rhel7 (two packages)
	{
		DockerVersion: "17.03.2",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionRhel7, distros.DistributionCentos7},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "17.03.2.ce",
		Source:        "https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-17.03.2.ce-1.el7.centos.x86_64.rpm",
		Hash:          "494ca888f5b1553f93b9d9a5dad4a67f76cf9eb5",
		ExtraPackages: map[string]packageInfo{
			"docker-ce-selinux": {
				Version: "17.03.2.ce",
				Source:  "https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-selinux-17.03.2.ce-1.el7.centos.noarch.rpm",
				Hash:    "4659c937b66519c88ef2a82a906bb156db29d191",
			},
		},
		Dependencies:  []string{"libtool-ltdl", "libseccomp", "libcgroup", "policycoreutils-python"},
		MarkImmutable: []string{"/usr/bin/docker-runc"},
	},
	// 17.09.0 - k8s 1.8

	// 17.09.0 - Jessie
	{
		DockerVersion: "17.09.0",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionJessie},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "17.09.0~ce-0~debian",
		Source:        "http://download.docker.com/linux/debian/dists/jessie/pool/stable/amd64/docker-ce_17.09.0~ce-0~debian_amd64.deb",
		Hash:          "430ba87f8aa36fedcac1a48e909cbe1830b53845",
		Dependencies:  []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
	},

	// 17.09.0 - Jessie on ARM
	{
		DockerVersion: "17.09.0",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionJessie},
		Architectures: []Architecture{ArchitectureArm},
		Version:       "17.09.0~ce-0~debian",
		Source:        "http://download.docker.com/linux/debian/dists/jessie/pool/stable/armhf/docker-ce_17.09.0~ce-0~debian_armhf.deb",
		Hash:          "5001a1defec7c33aa58ddebbd3eae6ebb5f36479",
		Dependencies:  []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
	},

	// 17.09.0 - Debian9 (stretch)
	{
		DockerVersion: "17.09.0",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionDebian9},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "17.09.0~ce-0~debian",
		Source:        "http://download.docker.com/linux/debian/dists/stretch/pool/stable/amd64/docker-ce_17.09.0~ce-0~debian_amd64.deb",
		Hash:          "70aa5f96cf00f11374b6593ccf4ed120a65375d2",
		Dependencies:  []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
	},

	// 17.09.0 - Xenial
	{
		DockerVersion: "17.09.0",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionXenial},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "17.09.0~ce-0~ubuntu",
		Source:        "http://download.docker.com/linux/ubuntu/dists/xenial/pool/stable/amd64/docker-ce_17.09.0~ce-0~ubuntu_amd64.deb",
		Hash:          "94f6e89be6d45d9988269a237eb27c7d6a844d7f",
		Dependencies:  []string{"bridge-utils", "iptables", "libapparmor1", "libltdl7", "perl"},
		//Depends: iptables, init-system-helpers, lsb-base, libapparmor1, libc6, libdevmapper1.02.1, libltdl7, libeseccomp2, libsystemd0
		//Recommends: aufs-tools, ca-certificates, cgroupfs-mount | cgroup-lite, git, xz-utils, apparmor
	},

	// 18.06.2 - Xenial
	{
		DockerVersion: "18.06.2",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionXenial},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "18.06.2~ce~3-0~ubuntu",
		Source:        "https://download.docker.com/linux/ubuntu/dists/xenial/pool/stable/amd64/docker-ce_18.06.2~ce~3-0~ubuntu_amd64.deb",
		Hash:          "03e5eaae9c84b144e1140d9b418e43fce0311892",
		Dependencies:  []string{"bridge-utils", "iptables", "libapparmor1", "libltdl7", "perl"},
		//Depends: iptables, init-system-helpers, lsb-base, libapparmor1, libc6, libdevmapper1.02.1, libltdl7, libeseccomp2, libsystemd0
		//Recommends: aufs-tools, ca-certificates, cgroupfs-mount | cgroup-lite, git, xz-utils, apparmor
	},

	// 18.06.3 - Xenial
	{
		DockerVersion: "18.06.3",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionXenial},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "18.06.3~ce~3-0~ubuntu",
		Source:        "https://download.docker.com/linux/ubuntu/dists/xenial/pool/stable/amd64/docker-ce_18.06.3~ce~3-0~ubuntu_amd64.deb",
		Hash:          "c06eda4e934cce6a7941a6af6602d4315b500a22",
		Dependencies:  []string{"bridge-utils", "iptables", "libapparmor1", "libltdl7", "perl"},
		//Depends: iptables, init-system-helpers, lsb-base, libc6, libdevmapper1.02.1, libltdl7, libseccomp2, libsystemd0
		//Recommends: aufs-tools, ca-certificates, cgroupfs-mount | cgroup-lite, git, pigz, xz-utils, apparmor
	},

	// 17.09.0 - Centos / Rhel7 (two packages)
	{
		DockerVersion: "17.09.0",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionRhel7, distros.DistributionCentos7},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "17.09.0.ce",
		Source:        "https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-17.09.0.ce-1.el7.centos.x86_64.rpm",
		Hash:          "b4ce72e80ff02926de943082821bbbe73958f87a",
		ExtraPackages: map[string]packageInfo{
			"container-selinux": {
				Version: "2.68",
				Source:  "http://vault.centos.org/7.6.1810/extras/x86_64/Packages/container-selinux-2.68-1.el7.noarch.rpm",
				Hash:    "d9f87f7f4f2e8e611f556d873a17b8c0c580fec0",
			},
		},
		Dependencies: []string{"libtool-ltdl", "libseccomp", "libcgroup", "policycoreutils-python"},
	},

	// 18.03.1 - Bionic
	{
		DockerVersion: "18.03.1",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionBionic},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "18.03.1~ce~3-0~ubuntu",
		Source:        "https://download.docker.com/linux/ubuntu/dists/bionic/pool/stable/amd64/docker-ce_18.03.1~ce~3-0~ubuntu_amd64.deb",
		Hash:          "b55b32bd0e9176dd32b1e6128ad9fda10a65cc8b",
		Dependencies:  []string{"bridge-utils", "iptables", "libapparmor1", "libltdl7", "perl"},
		//Depends: iptables, init-system-helpers, lsb-base, libapparmor1, libc6, libdevmapper1.02.1, libltdl7, libeseccomp2, libsystemd0
		//Recommends: aufs-tools, ca-certificates, cgroupfs-mount | cgroup-lite, git, xz-utils, apparmor
	},

	// 18.06.2 - Bionic
	{
		DockerVersion: "18.06.2",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionBionic},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "18.06.2~ce~3-0~ubuntu",
		Source:        "https://download.docker.com/linux/ubuntu/dists/bionic/pool/stable/amd64/docker-ce_18.06.2~ce~3-0~ubuntu_amd64.deb",
		Hash:          "9607c67644e3e1ad9661267c99499004f2e84e05",
		Dependencies:  []string{"bridge-utils", "iptables", "libapparmor1", "libltdl7", "perl"},
		//Depends: iptables, init-system-helpers, lsb-base, libapparmor1, libc6, libdevmapper1.02.1, libltdl7, libeseccomp2, libsystemd0
		//Recommends: aufs-tools, ca-certificates, cgroupfs-mount | cgroup-lite, git, xz-utils, apparmor
	},

	// 18.06.1 - Debian Stretch
	{
		DockerVersion: "18.06.1",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionDebian9},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "18.06.1~ce~3-0~debian",
		Source:        "https://download.docker.com/linux/debian/dists/stretch/pool/stable/amd64/docker-ce_18.06.1~ce~3-0~debian_amd64.deb",
		Hash:          "18473b80e61b6d4eb8b52d87313abd71261287e5",
		Dependencies:  []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
	},

	// 18.06.2 - Debian Stretch
	{

		DockerVersion: "18.06.2",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionDebian9},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "18.06.2~ce~3-0~debian",
		Source:        "https://download.docker.com/linux/debian/dists/stretch/pool/stable/amd64/docker-ce_18.06.2~ce~3-0~debian_amd64.deb",
		Hash:          "aad1efd2c90725034e996c6a368ccc2bf41ca5b8",
		Dependencies:  []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
	},

	// 18.06.3 - Debian Buster
	{

		DockerVersion: "18.06.3",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionDebian10},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "18.06.3~ce~3-0~debian",
		Source:        "https://download.docker.com/linux/debian/dists/buster/pool/stable/amd64/docker-ce_18.06.3~ce~3-0~debian_amd64.deb",
		Hash:          "05c9b098437bcf1b489c2a3a9764c3b779af7bc4",
		Dependencies:  []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
	},

	// 18.06.2 - Jessie
	{
		DockerVersion: "18.06.2",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionJessie},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "18.06.2~ce~3-0~debian",
		Source:        "https://download.docker.com/linux/debian/dists/jessie/pool/stable/amd64/docker-ce_18.06.2~ce~3-0~debian_amd64.deb",
		Hash:          "1a2500311230aff37aa81dd1292a88302fb0a2e1",
		Dependencies:  []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
	},

	// 18.06.1 - CentOS / Rhel7 (two packages)
	{
		DockerVersion: "18.06.1",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionRhel7, distros.DistributionCentos7},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "18.06.1.ce",
		Source:        "https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-18.06.1.ce-3.el7.x86_64.rpm",
		Hash:          "0a1325e570c5e54111a79623c9fd0c0c714d3a11",
		ExtraPackages: map[string]packageInfo{
			"container-selinux": {
				Version: "2.68",
				Source:  "http://vault.centos.org/7.6.1810/extras/x86_64/Packages/container-selinux-2.68-1.el7.noarch.rpm",
				Hash:    "d9f87f7f4f2e8e611f556d873a17b8c0c580fec0",
			},
		},
		Dependencies: []string{"libtool-ltdl", "libseccomp", "libcgroup", "policycoreutils-python"},
	},

	// 18.09.3 - Debian Stretch
	{
		DockerVersion: "18.09.3",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionDebian9},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "18.09.3~3-0~debian-stretch",
		Source:        "https://download.docker.com/linux/debian/dists/stretch/pool/stable/amd64/docker-ce_18.09.3~3-0~debian-stretch_amd64.deb",
		Hash:          "009b9a2d8bfaa97c74773fe4ec25b6bb396b10d0",
		ExtraPackages: map[string]packageInfo{
			"docker-ce-cli": {
				Version: "18.09.3~3-0~debian-stretch",
				Source:  "https://download.docker.com/linux/debian/dists/stretch/pool/stable/amd64/docker-ce-cli_18.09.3~3-0~debian-stretch_amd64.deb",
				Hash:    "557f868ec63e5251639ebd1d8669eb0c61dd555c",
			},
			"containerd.io": {
				Version: "1.2.4-1",
				Source:  "https://download.docker.com/linux/debian/dists/stretch/pool/stable/amd64/containerd.io_1.2.4-1_amd64.deb",
				Hash:    "48c6ab0c908316af9a183de5aad64703bc516bdf",
			},
		},
		Dependencies: []string{"bridge-utils", "libapparmor1", "libltdl7"},
	},

	// 18.06.2 - CentOS / Rhel7 (two packages)
	{
		DockerVersion: "18.06.2",
		Name:          "container-selinux",
		Distros:       []distros.Distribution{distros.DistributionRhel7, distros.DistributionCentos7},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "2.68",
		Source:        "http://vault.centos.org/7.6.1810/extras/x86_64/Packages/container-selinux-2.68-1.el7.noarch.rpm",
		Hash:          "d9f87f7f4f2e8e611f556d873a17b8c0c580fec0",
		Dependencies:  []string{"policycoreutils-python"},
	},
	{
		DockerVersion: "18.06.2",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionRhel7, distros.DistributionCentos7},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "18.06.2.ce",
		Source:        "https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-18.06.2.ce-3.el7.x86_64.rpm",
		Hash:          "456eb7c5bfb37fac342e9ade21b602c076c5b367",
		Dependencies:  []string{"libtool-ltdl", "libseccomp", "libcgroup"},
	},

	// 18.06.3 (contains fix for CVE-2019-5736)

	// 18.06.3 - Bionic
	{
		DockerVersion: "18.06.3",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionBionic},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "18.06.3~ce~3-0~ubuntu",
		Source:        "https://download.docker.com/linux/ubuntu/dists/bionic/pool/stable/amd64/docker-ce_18.06.3~ce~3-0~ubuntu_amd64.deb",
		Hash:          "b396678a8b70f0503a7b944fa6e3297ab27b345b",
		Dependencies:  []string{"bridge-utils", "iptables", "libapparmor1", "libltdl7", "perl"},
		//Depends: iptables, init-system-helpers, lsb-base, libapparmor1, libc6, libdevmapper1.02.1, libltdl7, libeseccomp2, libsystemd0
		//Recommends: aufs-tools, ca-certificates, cgroupfs-mount | cgroup-lite, git, xz-utils, apparmor
	},

	// 18.06.3 - Debian Stretch
	{

		DockerVersion: "18.06.3",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionDebian9},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "18.06.3~ce~3-0~debian",
		Source:        "https://download.docker.com/linux/debian/dists/stretch/pool/stable/amd64/docker-ce_18.06.3~ce~3-0~debian_amd64.deb",
		Hash:          "93b5a055a39462867d79109b00db1367e3d9e32f",
		Dependencies:  []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
	},

	// 18.06.3 - Jessie
	{
		DockerVersion: "18.06.3",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionJessie},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "18.06.3~ce~3-0~debian",
		Source:        "https://download.docker.com/linux/debian/dists/jessie/pool/stable/amd64/docker-ce_18.06.3~ce~3-0~debian_amd64.deb",
		Hash:          "058bcd4b055560866b8cad978c7aa224694602da",
		Dependencies:  []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
	},

	// 18.06.3 - CentOS / Rhel7 (two packages)
	{
		DockerVersion: "18.06.3",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionRhel7, distros.DistributionCentos7},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "18.06.3.ce",
		Source:        "https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-18.06.3.ce-3.el7.x86_64.rpm",
		Hash:          "5369602f88406d4fb9159dc1d3fd44e76fb4cab8",
		ExtraPackages: map[string]packageInfo{
			"container-selinux": {
				Version: "2.68",
				Source:  "http://vault.centos.org/7.6.1810/extras/x86_64/Packages/container-selinux-2.68-1.el7.noarch.rpm",
				Hash:    "d9f87f7f4f2e8e611f556d873a17b8c0c580fec0",
			},
		},
		Dependencies: []string{"libtool-ltdl", "libseccomp", "libcgroup", "policycoreutils-python"},
	},
	// 18.06.3 - CentOS / Rhel8 (two packages)
	{
		DockerVersion: "18.06.3",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionRhel8, distros.DistributionCentos8},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "18.06.3.ce",
		Source:        "https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-18.06.3.ce-3.el7.x86_64.rpm",
		Hash:          "5369602f88406d4fb9159dc1d3fd44e76fb4cab8",
		Dependencies:  []string{"container-selinux", "libtool-ltdl", "libseccomp", "libcgroup", "policycoreutils-python-utils", "python3-policycoreutils"},
	},

	// 18.09.9 - k8s 1.14 - https://github.com/kubernetes/kubernetes/pull/72823

	// 18.09.9 - Debian Stretch
	{
		DockerVersion: "18.09.9",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionDebian9},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "18.09.9~3-0~debian-stretch",
		Source:        "https://download.docker.com/linux/debian/dists/stretch/pool/stable/amd64/docker-ce_18.09.9~3-0~debian-stretch_amd64.deb",
		Hash:          "9d564b56f5531a08e24c8c7724445d128742572e",
		ExtraPackages: map[string]packageInfo{
			"docker-ce-cli": {
				Version: "18.09.9~3-0~debian-stretch",
				Source:  "https://download.docker.com/linux/debian/dists/stretch/pool/stable/amd64/docker-ce-cli_18.09.9~3-0~debian-stretch_amd64.deb",
				Hash:    "88f8f3103d2e5011e2f1a73b9e6dbf03d6e6698a",
			},
			"containerd.io": {
				Version: "1.2.10-3",
				Source:  "https://download.docker.com/linux/debian/dists/stretch/pool/stable/amd64/containerd.io_1.2.10-3_amd64.deb",
				Hash:    "186f2f2c570f37b363102e6b879073db6dec671d",
			},
		},
		Dependencies: []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
	},

	// 18.09.9 - Debian Buster
	{
		DockerVersion: "18.09.9",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionDebian10},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "18.09.9~3-0~debian-buster",
		Source:        "https://download.docker.com/linux/debian/dists/buster/pool/stable/amd64/docker-ce_18.09.9~3-0~debian-buster_amd64.deb",
		Hash:          "97620eede9ca9fd379eef41b9d14347fe1d82ded",
		ExtraPackages: map[string]packageInfo{
			"docker-ce-cli": {
				Version: "18.09.9~3-0~debian-buster",
				Source:  "https://download.docker.com/linux/debian/dists/buster/pool/stable/amd64/docker-ce-cli_18.09.9~3-0~debian-buster_amd64.deb",
				Hash:    "510eee5b6884867be0d2b360f8ff8cf7f0c0d11a",
			},
			"containerd.io": {
				Version: "1.2.10-3",
				Source:  "https://download.docker.com/linux/debian/dists/buster/pool/stable/amd64/containerd.io_1.2.10-3_amd64.deb",
				Hash:    "365e4a7541ce2cf3c3036ea2a9bf6b40a50893a8",
			},
		},
		Dependencies: []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
	},

	// 18.09.9 - Xenial
	{
		DockerVersion: "18.09.9",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionXenial},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "18.09.9~3-0~ubuntu-xenial",
		Source:        "https://download.docker.com/linux/ubuntu/dists/xenial/pool/stable/amd64/docker-ce_18.09.9~3-0~ubuntu-xenial_amd64.deb",
		Hash:          "959a1193ff148cbf98c357e096dafca44f497520",
		ExtraPackages: map[string]packageInfo{
			"docker-ce-cli": {
				Version: "18.09.9~3-0~ubuntu-xenial",
				Source:  "https://download.docker.com/linux/ubuntu/dists/xenial/pool/stable/amd64/docker-ce-cli_18.09.9~3-0~ubuntu-xenial_amd64.deb",
				Hash:    "b79b8958f041249bbff0afbfeded794a9e42463f",
			},
			"containerd.io": {
				Version: "1.2.10-3",
				Source:  "https://download.docker.com/linux/ubuntu/dists/xenial/pool/stable/amd64/containerd.io_1.2.10-3_amd64.deb",
				Hash:    "b64e7170d9176bc38967b2e12147c69b65bdd0fc",
			},
		},
		Dependencies: []string{"bridge-utils", "iptables", "libapparmor1", "libltdl7", "perl"},
	},

	// 18.09.9 - Bionic
	{
		DockerVersion: "18.09.9",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionBionic},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "18.09.9~3-0~ubuntu-bionic",
		Source:        "https://download.docker.com/linux/ubuntu/dists/bionic/pool/stable/amd64/docker-ce_18.09.9~3-0~ubuntu-bionic_amd64.deb",
		Hash:          "edabe6602521927b6e9ad70fc7650329333b51a3",
		ExtraPackages: map[string]packageInfo{
			"docker-ce-cli": {
				Version: "18.09.9~3-0~ubuntu-bionic",
				Source:  "https://download.docker.com/linux/ubuntu/dists/bionic/pool/stable/amd64/docker-ce-cli_18.09.9~3-0~ubuntu-bionic_amd64.deb",
				Hash:    "bca089a50ea22f02abe88f68d7ca35c26be9967b",
			},
			"containerd.io": {
				Version: "1.2.10-3",
				Source:  "https://download.docker.com/linux/ubuntu/dists/bionic/pool/stable/amd64/containerd.io_1.2.10-3_amd64.deb",
				Hash:    "f4c941807310e3fa470dddfb068d599174a3daec",
			},
		},
		Dependencies: []string{"bridge-utils", "iptables", "libapparmor1", "libltdl7", "perl"},
	},

	// 18.09.9 - CentOS / Rhel7
	{
		DockerVersion: "18.09.9",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionRhel7, distros.DistributionCentos7},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "18.09.9",
		Source:        "https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-18.09.9-3.el7.x86_64.rpm",
		Hash:          "0b656dcdbddfc231f871ae78e3f5ac76716b5914",
		ExtraPackages: map[string]packageInfo{
			"docker-ce-cli": {
				Version: "18.09.9",
				Source:  "https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-cli-18.09.9-3.el7.x86_64.rpm",
				Hash:    "0c51b1339a95bd732ca305f07b7bcc95f132b9c8",
			},
			"containerd.io": {
				Version: "1.2.10",
				Source:  "https://download.docker.com/linux/centos/7/x86_64/stable/Packages/containerd.io-1.2.10-3.2.el7.x86_64.rpm",
				Hash:    "f6447e84479df3a58ce04a3da87ccc384663493b",
			},
			"container-selinux": {
				Version: "2.107",
				Source:  "http://vault.centos.org/7.6.1810/extras/x86_64/Packages/container-selinux-2.107-1.el7_6.noarch.rpm",
				Hash:    "7de4211fa0dfd240d8827b93763e1eb5f0d56411",
			},
		},
		Dependencies: []string{"libtool-ltdl", "libseccomp", "libcgroup", "policycoreutils-python"},
	},

	// 18.09.9 - CentOS / Rhel8
	{
		DockerVersion: "18.09.9",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionRhel8, distros.DistributionCentos8},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "18.09.9",
		Source:        "https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-18.09.9-3.el7.x86_64.rpm",
		Hash:          "0b656dcdbddfc231f871ae78e3f5ac76716b5914",
		ExtraPackages: map[string]packageInfo{
			"docker-ce-cli": {
				Version: "18.09.9",
				Source:  "https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-cli-18.09.9-3.el7.x86_64.rpm",
				Hash:    "0c51b1339a95bd732ca305f07b7bcc95f132b9c8",
			},
			"containerd.io": {
				Version: "1.2.10",
				Source:  "https://download.docker.com/linux/centos/7/x86_64/stable/Packages/containerd.io-1.2.10-3.2.el7.x86_64.rpm",
				Hash:    "f6447e84479df3a58ce04a3da87ccc384663493b",
			},
		},
		Dependencies: []string{"container-selinux", "libtool-ltdl", "libseccomp", "libcgroup", "policycoreutils-python-utils", "python3-policycoreutils"},
	},

	// 19.03.4 - k8s 1.17 - https://github.com/kubernetes/kubernetes/pull/84476

	// 19.03.4 - Debian Stretch
	{
		DockerVersion: "19.03.4",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionDebian9},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "19.03.4~3-0~debian-stretch",
		Source:        "https://download.docker.com/linux/debian/dists/stretch/pool/stable/amd64/docker-ce_19.03.4~3-0~debian-stretch_amd64.deb",
		Hash:          "2b8dcb2d75334fab29242ac069d1fbcfb65e88e3",
		ExtraPackages: map[string]packageInfo{
			"docker-ce-cli": {
				Version: "19.03.4~3-0~debian-stretch",
				Source:  "https://download.docker.com/linux/debian/dists/stretch/pool/stable/amd64/docker-ce-cli_19.03.4~3-0~debian-stretch_amd64.deb",
				Hash:    "57f71ee764abb19a0b4c580ff14b1eb3de3a9e08",
			},
			"containerd.io": {
				Version: "1.2.10-3",
				Source:  "https://download.docker.com/linux/debian/dists/stretch/pool/stable/amd64/containerd.io_1.2.10-3_amd64.deb",
				Hash:    "186f2f2c570f37b363102e6b879073db6dec671d",
			},
		},
		Dependencies: []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
	},

	// 19.03.4 - Debian Buster
	{
		DockerVersion: "19.03.4",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionDebian10},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "19.03.4~3-0~debian-buster",
		Source:        "https://download.docker.com/linux/debian/dists/buster/pool/stable/amd64/docker-ce_19.03.4~3-0~debian-buster_amd64.deb",
		Hash:          "492a70f29ceffd315ee9712b33004491c6f59e49",
		ExtraPackages: map[string]packageInfo{
			"docker-ce-cli": {
				Version: "19.03.4~3-0~debian-buster",
				Source:  "https://download.docker.com/linux/debian/dists/buster/pool/stable/amd64/docker-ce-cli_19.03.4~3-0~debian-buster_amd64.deb",
				Hash:    "2549a364f0e5ce489c79b292b78e349751385dd5",
			},
			"containerd.io": {
				Version: "1.2.10-3",
				Source:  "https://download.docker.com/linux/debian/dists/buster/pool/stable/amd64/containerd.io_1.2.10-3_amd64.deb",
				Hash:    "365e4a7541ce2cf3c3036ea2a9bf6b40a50893a8",
			},
		},
		Dependencies: []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
	},

	// 19.03.4 - Xenial
	{
		DockerVersion: "19.03.4",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionXenial},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "19.03.4~3-0~ubuntu-xenial",
		Source:        "https://download.docker.com/linux/ubuntu/dists/xenial/pool/stable/amd64/docker-ce_19.03.4~3-0~ubuntu-xenial_amd64.deb",
		Hash:          "d9f5855413a5efcca4e756613dafb744b6cae8d2",
		ExtraPackages: map[string]packageInfo{
			"docker-ce-cli": {
				Version: "19.03.4~3-0~ubuntu-xenial",
				Source:  "https://download.docker.com/linux/ubuntu/dists/xenial/pool/stable/amd64/docker-ce-cli_19.03.4~3-0~ubuntu-xenial_amd64.deb",
				Hash:    "3e0164dfef612b533c12dec6cd39da93bedd7e8c",
			},
			"containerd.io": {
				Version: "1.2.10-3",
				Source:  "https://download.docker.com/linux/ubuntu/dists/xenial/pool/stable/amd64/containerd.io_1.2.10-3_amd64.deb",
				Hash:    "b64e7170d9176bc38967b2e12147c69b65bdd0fc",
			},
		},
		Dependencies: []string{"bridge-utils", "iptables", "libapparmor1", "libltdl7", "perl"},
	},

	// 19.03.4 - Bionic
	{
		DockerVersion: "19.03.4",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionBionic},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "19.03.4~3-0~ubuntu-bionic",
		Source:        "https://download.docker.com/linux/ubuntu/dists/bionic/pool/stable/amd64/docker-ce_19.03.4~3-0~ubuntu-bionic_amd64.deb",
		Hash:          "ee640d9258fd4d3f4c7017ab2a71da63cbbead55",
		ExtraPackages: map[string]packageInfo{
			"docker-ce-cli": {
				Version: "19.03.4~3-0~ubuntu-bionic",
				Source:  "https://download.docker.com/linux/ubuntu/dists/bionic/pool/stable/amd64/docker-ce-cli_19.03.4~3-0~ubuntu-bionic_amd64.deb",
				Hash:    "09402bf5dac40f0c50f1071b17f38f6584a42ad1",
			},
			"containerd.io": {
				Version: "1.2.10-3",
				Source:  "https://download.docker.com/linux/ubuntu/dists/bionic/pool/stable/amd64/containerd.io_1.2.10-3_amd64.deb",
				Hash:    "f4c941807310e3fa470dddfb068d599174a3daec",
			},
		},
		Dependencies: []string{"bridge-utils", "iptables", "libapparmor1", "libltdl7", "perl"},
	},

	// 19.03.4 - CentOS / Rhel7
	{
		DockerVersion: "19.03.4",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionRhel7, distros.DistributionCentos7},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "19.03.4",
		Source:        "https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-19.03.4-3.el7.x86_64.rpm",
		Hash:          "02a9db54fa40b8d94e2a4c1b5572ad911873a4c8",
		ExtraPackages: map[string]packageInfo{
			"docker-ce-cli": {
				Version: "19.03.4",
				Source:  "https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-cli-19.03.4-3.el7.x86_64.rpm",
				Hash:    "1fffcc716e74a59f753f8898ba96693a00e79e26",
			},
			"containerd.io": {
				Version: "1.2.10",
				Source:  "https://download.docker.com/linux/centos/7/x86_64/stable/Packages/containerd.io-1.2.10-3.2.el7.x86_64.rpm",
				Hash:    "f6447e84479df3a58ce04a3da87ccc384663493b",
			},
			"container-selinux": {
				Version: "2.107",
				Source:  "http://vault.centos.org/7.6.1810/extras/x86_64/Packages/container-selinux-2.107-1.el7_6.noarch.rpm",
				Hash:    "7de4211fa0dfd240d8827b93763e1eb5f0d56411",
			},
		},
		Dependencies: []string{"libtool-ltdl", "libseccomp", "libcgroup", "policycoreutils-python"},
	},

	// 19.03.4 - CentOS / Rhel8
	{
		DockerVersion: "19.03.4",
		Name:          "docker-ce",
		Distros:       []distros.Distribution{distros.DistributionRhel8, distros.DistributionCentos8},
		Architectures: []Architecture{ArchitectureAmd64},
		Version:       "19.03.4",
		Source:        "https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-19.03.4-3.el7.x86_64.rpm",
		Hash:          "02a9db54fa40b8d94e2a4c1b5572ad911873a4c8",
		ExtraPackages: map[string]packageInfo{
			"docker-ce-cli": {
				Version: "19.03.4",
				Source:  "https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-cli-19.03.4-3.el7.x86_64.rpm",
				Hash:    "1fffcc716e74a59f753f8898ba96693a00e79e26",
			},
			"containerd.io": {
				Version: "1.2.10",
				Source:  "https://download.docker.com/linux/centos/7/x86_64/stable/Packages/containerd.io-1.2.10-3.2.el7.x86_64.rpm",
				Hash:    "f6447e84479df3a58ce04a3da87ccc384663493b",
			},
		},
		Dependencies: []string{"container-selinux", "libtool-ltdl", "libseccomp", "libcgroup", "policycoreutils-python-utils", "python3-policycoreutils"},
	},

	// TIP: When adding the next version, copy the previous
	// version, string replace the version, run `VERIFY_HASHES=1
	// go test ./nodeup/pkg/model` (you might want to temporarily
	// comment out older versions on a slower connection), and
	// then validate the dependencies etc
}

func (d *dockerVersion) matches(arch Architecture, dockerVersion string, distro distros.Distribution) bool {
	if d.DockerVersion != dockerVersion {
		return false
	}
	foundDistro := false
	for _, d := range d.Distros {
		if d == distro {
			foundDistro = true
		}
	}
	if !foundDistro {
		return false
	}

	foundArch := false
	for _, a := range d.Architectures {
		if a == arch {
			foundArch = true
		}
	}
	return foundArch
}

func (b *DockerBuilder) dockerVersion() string {
	dockerVersion := ""
	if b.Cluster.Spec.Docker != nil {
		dockerVersion = fi.StringValue(b.Cluster.Spec.Docker.Version)
	}
	if dockerVersion == "" {
		dockerVersion = DefaultDockerVersion
		klog.Warningf("DockerVersion not specified; using default %q", dockerVersion)
	}
	return dockerVersion
}

// Build is responsible for configuring the docker daemon
func (b *DockerBuilder) Build(c *fi.ModelBuilderContext) error {
	if b.skipInstall() {
		klog.Infof("SkipInstall is set to true; won't install Docker")
		return nil
	}

	// @check: neither coreos or containeros need provision docker.service, just the docker daemon options
	switch b.Distribution {
	case distros.DistributionCoreOS:
		klog.Infof("Detected CoreOS; won't install Docker")
		if err := b.buildContainerOSConfigurationDropIn(c); err != nil {
			return err
		}
		return nil

	case distros.DistributionFlatcar:
		klog.Infof("Detected Flatcar; won't install Docker")
		if err := b.buildContainerOSConfigurationDropIn(c); err != nil {
			return err
		}
		return nil

	case distros.DistributionContainerOS:
		klog.Infof("Detected ContainerOS; won't install Docker")
		if err := b.buildContainerOSConfigurationDropIn(c); err != nil {
			return err
		}
		return nil
	}

	// Add Apache2 license
	{
		t := &nodetasks.File{
			Path:     "/usr/share/doc/docker/apache.txt",
			Contents: fi.NewStringResource(resources.DockerApache2License),
			Type:     nodetasks.FileType_File,
		}
		c.AddTask(t)
	}

	dockerVersion := b.dockerVersion()

	// Add packages
	{
		count := 0
		for i := range dockerVersions {
			dv := &dockerVersions[i]
			if !dv.matches(b.Architecture, dockerVersion, b.Distribution) {
				continue
			}

			count++

			var packageTask fi.Task
			if dv.PlainBinary {
				packageTask = &nodetasks.Archive{
					Name:            "docker",
					Source:          dv.Source,
					Hash:            dv.Hash,
					TargetDir:       "/usr/bin/",
					StripComponents: 1,
				}
				c.AddTask(packageTask)

				c.AddTask(b.buildDockerGroup())
				c.AddTask(b.buildSystemdSocket())
			} else {
				var extraPkgs []*nodetasks.Package
				for name, pkg := range dv.ExtraPackages {
					dep := &nodetasks.Package{
						Name:         name,
						Version:      s(pkg.Version),
						Source:       s(pkg.Source),
						Hash:         s(pkg.Hash),
						PreventStart: fi.Bool(true),
					}
					extraPkgs = append(extraPkgs, dep)
				}
				packageTask = &nodetasks.Package{
					Name:    dv.Name,
					Version: s(dv.Version),
					Source:  s(dv.Source),
					Hash:    s(dv.Hash),
					Deps:    extraPkgs,

					// TODO: PreventStart is now unused?
					PreventStart: fi.Bool(true),
				}
				c.AddTask(packageTask)
			}

			// As a mitigation for CVE-2019-5736 (possibly a fix, definitely defense-in-depth) we chattr docker-runc to be immutable
			for _, f := range dv.MarkImmutable {
				c.AddTask(&nodetasks.Chattr{
					File: f,
					Mode: "+i",
					Deps: []fi.Task{packageTask},
				})
			}

			for _, dep := range dv.Dependencies {
				c.AddTask(&nodetasks.Package{Name: dep})
			}

			// Note we do _not_ stop looping... centos/rhel comprises multiple packages
		}

		if count == 0 {
			klog.Warningf("Did not find docker package for %s %s %s", b.Distribution, b.Architecture, dockerVersion)
		}
	}

	// Split into major.minor.(patch+pr+meta)
	parts := strings.SplitN(dockerVersion, ".", 3)
	if len(parts) != 3 {
		return fmt.Errorf("error parsing docker version %q, no Major.Minor.Patch elements found", dockerVersion)
	}

	// Validate major
	dockerVersionMajor, err := strconv.ParseInt(parts[0], 10, 64)
	if err != nil {
		return fmt.Errorf("error parsing major docker version %q: %v", parts[0], err)
	}

	// Validate minor
	dockerVersionMinor, err := strconv.ParseInt(parts[1], 10, 64)
	if err != nil {
		return fmt.Errorf("error parsing minor docker version %q: %v", parts[1], err)
	}

	c.AddTask(b.buildSystemdService(dockerVersionMajor, dockerVersionMinor))

	if err := b.buildSysconfig(c); err != nil {
		return err
	}

	return nil
}

// buildDockerGroup creates the docker group, which owns the docker.socket
func (b *DockerBuilder) buildDockerGroup() *nodetasks.GroupTask {
	return &nodetasks.GroupTask{
		Name:   "docker",
		System: true,
	}
}

// buildSystemdSocket creates docker.socket, for when we're not installing from a package
func (b *DockerBuilder) buildSystemdSocket() *nodetasks.Service {
	manifest := &systemd.Manifest{}
	manifest.Set("Unit", "Description", "Docker Socket for the API")
	manifest.Set("Unit", "PartOf", "docker.service")

	manifest.Set("Socket", "ListenStream", "/var/run/docker.sock")
	manifest.Set("Socket", "SocketMode", "0660")
	manifest.Set("Socket", "SocketUser", "root")
	manifest.Set("Socket", "SocketGroup", "docker")

	manifest.Set("Install", "WantedBy", "sockets.target")

	manifestString := manifest.Render()
	klog.V(8).Infof("Built docker.socket manifest\n%s", manifestString)

	service := &nodetasks.Service{
		Name:       "docker.socket",
		Definition: s(manifestString),
	}

	service.InitDefaults()

	return service
}

func (b *DockerBuilder) buildSystemdService(dockerVersionMajor int64, dockerVersionMinor int64) *nodetasks.Service {
	oldDocker := dockerVersionMajor <= 1 && dockerVersionMinor <= 11
	usesDockerSocket := true

	var dockerdCommand string
	if oldDocker {
		dockerdCommand = "/usr/bin/docker daemon"
	} else {
		dockerdCommand = "/usr/bin/dockerd"
	}

	manifest := &systemd.Manifest{}
	manifest.Set("Unit", "Description", "Docker Application Container Engine")
	manifest.Set("Unit", "Documentation", "https://docs.docker.com")

	if b.Distribution.IsRHELFamily() && !oldDocker {
		// See https://github.com/docker/docker/pull/24804
		usesDockerSocket = false
	}

	if usesDockerSocket {
		manifest.Set("Unit", "After", "network.target docker.socket")
		manifest.Set("Unit", "Requires", "docker.socket")
	} else {
		manifest.Set("Unit", "After", "network.target")
	}

	manifest.Set("Service", "Type", "notify")
	manifest.Set("Service", "EnvironmentFile", "/etc/sysconfig/docker")
	manifest.Set("Service", "EnvironmentFile", "/etc/environment")

	if usesDockerSocket {
		manifest.Set("Service", "ExecStart", dockerdCommand+" -H fd:// \"$DOCKER_OPTS\"")
	} else {
		manifest.Set("Service", "ExecStart", dockerdCommand+" \"$DOCKER_OPTS\"")
	}

	if !oldDocker {
		// This was added by docker 1.12
		// TODO: They seem sensible - should we backport them?

		manifest.Set("Service", "ExecReload", "/bin/kill -s HUP $MAINPID")
		// kill only the docker process, not all processes in the cgroup
		manifest.Set("Service", "KillMode", "process")

		manifest.Set("Service", "TimeoutStartSec", "0")
	}

	if oldDocker {
		// Only in older versions of docker (< 1.12)
		manifest.Set("Service", "MountFlags", "slave")
	}

	// Having non-zero Limit*s causes performance problems due to accounting overhead
	// in the kernel. We recommend using cgroups to do container-local accounting.
	// TODO: Should we set this? https://github.com/kubernetes/kubernetes/issues/39682
	//service.Set("Service", "LimitNOFILE", "infinity")
	//service.Set("Service", "LimitNPROC", "infinity")
	//service.Set("Service", "LimitCORE", "infinity")
	manifest.Set("Service", "LimitNOFILE", "1048576")
	manifest.Set("Service", "LimitNPROC", "1048576")
	manifest.Set("Service", "LimitCORE", "infinity")

	//# Uncomment TasksMax if your systemd version supports it.
	//# Only systemd 226 and above support this version.
	//#TasksMax=infinity
	if b.IsKubernetesGTE("1.10") {
		// Equivalent of https://github.com/kubernetes/kubernetes/pull/51986
		manifest.Set("Service", "TasksMax", "infinity")
	}

	manifest.Set("Service", "Restart", "always")
	manifest.Set("Service", "RestartSec", "2s")
	manifest.Set("Service", "StartLimitInterval", "0")

	// set delegate yes so that systemd does not reset the cgroups of docker containers
	manifest.Set("Service", "Delegate", "yes")

	manifest.Set("Install", "WantedBy", "multi-user.target")

	manifestString := manifest.Render()
	klog.V(8).Infof("Built service manifest %q\n%s", "docker", manifestString)

	service := &nodetasks.Service{
		Name:       "docker.service",
		Definition: s(manifestString),
	}

	service.InitDefaults()

	return service
}

// buildContainerOSConfigurationDropIn is responsible for configuring the docker daemon options
func (b *DockerBuilder) buildContainerOSConfigurationDropIn(c *fi.ModelBuilderContext) error {
	lines := []string{
		"[Service]",
		"EnvironmentFile=/etc/sysconfig/docker",
		"EnvironmentFile=/etc/environment",
	}

	if b.IsKubernetesGTE("1.10") {
		// Equivalent of https://github.com/kubernetes/kubernetes/pull/51986
		lines = append(lines, "TasksMax=infinity")
	}

	contents := strings.Join(lines, "\n")

	c.AddTask(&nodetasks.File{
		AfterFiles: []string{"/etc/sysconfig/docker"},
		Path:       "/etc/systemd/system/docker.service.d/10-kops.conf",
		Contents:   fi.NewStringResource(contents),
		Type:       nodetasks.FileType_File,
		OnChangeExecute: [][]string{
			{"systemctl", "daemon-reload"},
			{"systemctl", "restart", "docker.service"},
			// We need to restart kops-configuration service since nodeup needs to load images
			// into docker with the new overlay storage. Restart is on the background because
			// kops-configuration is of type 'one-shot' so the restart command will wait for
			// nodeup to finish executing
			{"systemctl", "restart", "kops-configuration.service", "&"},
		},
	})

	if err := b.buildSysconfig(c); err != nil {
		return err
	}

	return nil
}

// buildSysconfig is responsible for extracting the docker configuration and writing the sysconfig file
func (b *DockerBuilder) buildSysconfig(c *fi.ModelBuilderContext) error {
	var docker kops.DockerConfig
	if b.Cluster.Spec.Docker != nil {
		docker = *b.Cluster.Spec.Docker
	}

	// ContainerOS now sets the storage flag in /etc/docker/daemon.json, and it is an error to set it twice
	if b.Distribution == distros.DistributionContainerOS {
		// So that we can support older COS images though, we do check for /etc/docker/daemon.json
		if b, err := ioutil.ReadFile("/etc/docker/daemon.json"); err != nil {
			if os.IsNotExist(err) {
				klog.V(2).Infof("/etc/docker/daemon.json not found")
			} else {
				klog.Warningf("error reading /etc/docker/daemon.json: %v", err)
			}
		} else {
			// Maybe we get smarter here?
			data := make(map[string]interface{})
			if err := json.Unmarshal(b, &data); err != nil {
				klog.Warningf("error deserializing /etc/docker/daemon.json: %v", err)
			} else {
				storageDriver := data["storage-driver"]
				klog.Infof("/etc/docker/daemon.json has storage-driver: %q", storageDriver)
			}
			docker.Storage = nil
		}
	}

	// RHEL-family / docker has a bug with 17.x where it fails to use overlay2 because it does a broken kernel check
	if b.Distribution.IsRHELFamily() {
		dockerVersion := b.dockerVersion()
		if strings.HasPrefix(dockerVersion, "17.") {
			storageOpts := strings.Join(docker.StorageOpts, ",")
			if strings.Contains(storageOpts, "overlay2.override_kernel_check=1") {
				// Already there
			} else if !strings.Contains(storageOpts, "overlay2.override_kernel_check") {
				docker.StorageOpts = append(docker.StorageOpts, "overlay2.override_kernel_check=1")
			} else {
				klog.Infof("detected image was RHEL and overlay2.override_kernel_check=1 was probably needed, but overlay2.override_kernel_check was already set (%q) so won't set", storageOpts)
			}
		}
	}

	flagsString, err := flagbuilder.BuildFlags(&docker)
	if err != nil {
		return fmt.Errorf("error building docker flags: %v", err)
	}

	lines := []string{
		"DOCKER_OPTS=" + flagsString,
		"DOCKER_NOFILE=1000000",
	}
	contents := strings.Join(lines, "\n")

	c.AddTask(&nodetasks.File{
		Path:     "/etc/sysconfig/docker",
		Contents: fi.NewStringResource(contents),
		Type:     nodetasks.FileType_File,
	})

	return nil
}

// skipInstall determines if kops should skip the installation and configuration of Docker
func (b *DockerBuilder) skipInstall() bool {
	d := b.Cluster.Spec.Docker

	// don't skip install if the user hasn't specified anything
	if d == nil {
		return false
	}

	return d.SkipInstall
}
